Could you post a picture of the hair band, because I don't quite understand how it would work. Probably, because English is not my native language.
I wear the regular gaff type and it works, especially now since hormones have shrunk everything to so tiny, that it's not hard to hide everything anymore.
The only problem being, that wearing the gaff for 15 to 18 hours a day (long shifts at hospital) means, that I basicaly have constant infection down there (outch), because of course it's not a very good idea to pack certain body parts, which contain mucous membrane for long periods of time. It doesn't allow these parts to breath and thus, infection. Also I think the fact that these lady parts being so close to rectum, means that there is different bacteria now being close proximity. Bacteria which previously didn't have access to dangling lady parts

It's the same problem which concerns the cis women and post-op women.